c. Availability and Delivery. The Aircraft shall be available to Lessee, and shall be
scheduled for use, on an as-needed and first-come, first-serve basis with respect to use by Lessor,
Lessee and other lessees of the Aircraft. In order to schedule the use of the Aircraft, Lessee
shall contact Lessor and specify the dates and times use of the Aircraft is requested. At such
time, Lessor shall indicate whether or not the Aircraft is available. Should the Aircraft not be
available at the requested time, Lessor may indicate alternative dates and times the Aircraft is
available to Lessee. Lessee shall not have the right to use the Aircraft for a period of time that
would exceed 7 consecutive days without the prior consent of Lessor. The home base of operation of
the Aircraft shall be Brookings, SD (“Base of Operations”).

**2. USE OF AIRCRAFT**

     a. Permitted Use. Notwithstanding anything herein to the contrary, during the times
the Aircraft is leased to Lessee:

     i. Operations. Lessee’s operations shall be conducted under Part 91 of the
Federal Aviation Regulations. In no event shall any revenue passengers or cargo be
permitted on board the Aircraft during any such flights.